- Replaced obsolete session extension registration and dynamic S4 marker
classes with mizer's simpler S3 extension mechanism. Stored parameter
objects are now S3 objects with extension class vector
c("therMizer", "MizerParams"), removing the need for a load hook or an active binding. - Removed obsolete workaround that pinned
gammaingiven_species_params, as mizer now evaluates default parameters on its baseline reference state.